$ tldr --help
tldr - Simplified and community-driven man pages
Usage: tldr [-v|--version] ((-u|--update) | [-p|--platform PLATFORM]
            [-L|--language LOCALE] COMMAND | (-a|--about))
  tldr Client program
Available options:
  -h,--help                Show this help text
  -v,--version             Show version
  -u,--update              Update offline cache of tldr pages
  -p,--platform PLATFORM   Prioritize a specific platform while searching. Valid
                           values include linux, osx, windows, sunos
  -L,--language LOCALE     Preferred language for the page returned
  COMMAND                  name of the command
  -a,--about               About this program
  --auto-update-interval DAYS
                           Perform an automatic update if the cache is older
                           than DAYS

$ tldr tldr
tldr
Simplified man pages. More information: https://tldr.sh.
 - Get typical usages of a command (hint: this is how you got here!):
   tldr {{command}}
 - Show the tar tldr page for linux:
   tldr -p {{linux}} {{tar}}
 - Get help for a git subcommand:
   tldr {{git checkout}}

$ tldr --update